<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <img src="../assets/yunxi_logo.png" alt class="logo" />
        <span>云熙后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出登录</el-button>
    </el-header>
    <el-container>
      <!-- 侧边栏区域 -->
      <el-aside :width="isCollapse?'64px':'200px'">
        <div class="toggle-button" @click="isCollapse=!isCollapse">|||</div>
        <!-- 侧边栏菜单 -->
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409bff"
          unique-opened
          :collapse="isCollapse"
          :collapse-transition="false"
          router
          :default-active="activePath"
        >
          <!-- 一级菜单 -->
          <el-submenu :index="item.id + ''" v-for="item in menuList" :key="item.id">
            <!-- 一级菜单模板区域 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="iconObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item
              :index="'/'+ subItem.path"
              v-for="subItem in item.children"
              :key="subItem.id"
              @click="saveNavState('/'+ subItem.path)"
            >
              <template slot="title">
                <!-- 图标 -->
                <i class="el-icon-menu"></i>
                <!-- 文本 -->
                <span>{{subItem.authName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右边区域 -->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  name: "",
  components: {},
  data() {
    return {
      menuList: [],
      iconObj: {
        "125": "iconfont icon-yonghuguanli",
        "103": "iconfont icon-quanxianguanli",
        "101": "iconfont icon-shangpinguanli",
        "102": "iconfont icon-dingdanguanli",
        "145": "iconfont icon-shujutongji",
      },
      //是否折叠
      isCollapse: false,
      activePath: "",
    };
  },
  created() {
    this.getMenuList();
    //激活状态的初始值
    this.activePath = window.sessionStorage.getItem("activePath");
  },
  methods: {
    logout() {
      window.sessionStorage.clear();
      this.$router.push("/login");
    },
    //获取菜单
    async getMenuList() {
      const { data: res } = await this.$http.get("menus");
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg);
      this.menuList = res.data;
      console.log(this.menuList);
    },
    //保存链接的激活状态
    saveNavState(activePath) {
      window.sessionStorage.setItem("activePath", activePath);
      this.activePath = activePath;
    },
  },
};
</script>

<style scoped lang="less">
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  font-size: 20px;
  color: #fff;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;
  .el-menu {
    border-right: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.home-container {
  height: 100%;
}
.logo {
  width: 200px;
}
.iconfont {
  margin-right: 15px;
}
.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  cursor: pointer;
  letter-spacing: 0.2rem;
}
</style>
